System for real-time monitoring abnormal change of satellite telemetry parameters

Abstract

The invention discloses a system for real-time monitoring the abnormal change of satellite telemetry parameters, comprising a data receiving module, a data preprocessing module, a parametric variation detection module, an out-of-range abnormality judging module, an amplitude variation abnormality judging module, a long periodic variation abnormality judging module, an alarming filtering module and a data recording module. By adopting the invention, the abnormal variations of the trend of the telemetry parameters can be detected, wherein the variations include the short-term trend abnormal variation and the long-term trend abnormal variation, the periodic variations of the satellite telemetry parameters can be continuously and circularly monitored, the exact monitoring and alarming for various abnormal circumstances of the satellite telemetry variations can be realized, and plenty of field testing information is provided for analyzers. The system solves the problems of real-time monitoring, judging, alarming, and the like of many telemetry parameters and has higher sensitivity and real-time property, thereby reducing the labor intensity of a tester and improving the test efficiency.

Description

technical field [0001] The invention relates to a real-time monitoring system for abnormal changes of satellite telemetry parameters, in particular to a real-time monitoring system for judging whether satellite telemetry parameters exceed the effective value range, short-term change range or long-term change range. Background technique [0002] At present, in the process of satellite ground testing, due to the large amount of satellite telemetry parameter data, fast downlink speed, and complex parameter value types, the detection of abnormal changes in satellite telemetry parameter values ​​is generally based on the level and experience of testers, focusing on judging important telemetry parameters. The effective value range of the value, there is no time to take into account the short-term change index value and the long-term change index value, and there is a lack of more refined abnormal change detection methods. To this end, an abnormal change detection method based on t...

AI Technical Summary

Problems solved by technology

[0003] The technical problem solved by the present invention is to overcome the deficiencies of the prior art, provide a real-time monitoring system for abnormal changes in satellite telemetry parameters, solve the problems of real-time monitoring, judgment, and alarm of a large number of telemetry parameters, and have high sensitivity and real-time performance , thereby reducing the work intensity of testers and improving test efficiency

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